Question

how many types of gas is in the world​

Answer 1

There are 6 types of gas in the world.

$\mathfrak{hope \: it \: helps \: uhh}$

Answer 2

Answer:

Oxygen 21%

Argon 0.93%

Carbon dioxide 0.04%

Trace amount of neon ,helium, methane, Krypton as well as hydrogen